linux-kernel - Re: [PATCH 2/2] mmc: Add mmc_force_detect_change_begin /

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Date:   Wed, 26 Sep 2018 22:19:22 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Frieder Schrempf <frieder.schrempf@...eet.de>,
        ulf.hansson@...aro.org, quentin.schulz@...e-electrons.com
Cc:     gregkh@...uxfoundation.org, linus.walleij@...aro.org,
        shawn.lin@...k-chips.com, adrian.hunter@...el.com,
        baolin.wang@...aro.org, maxime.ripard@...e-electrons.com,
        thomas.petazzoni@...e-electrons.com, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org, devel@...verdev.osuosl.org,
        icenowy@...c.xyz, wens@...e.org
Subject: Re: [PATCH 2/2] mmc: Add mmc_force_detect_change_begin / _end
 functions

Hi,

On 26-09-18 16:44, Frieder Schrempf wrote:
> Hi,
> 
> On Fri, Feb 09, 2018 at 03:01:00PM +0100, Ulf Hansson wrote:
>> [...]
>>
>> >> > I'd like to know if any progress has been made on that problem 
> (I may
>> >> > have missed patches).
>> >> > Had you had the time to look at the issue?
>> >>
>> >> I have looked at the issue, but not manage to cook some patches 
> for it.
>> >>
>> >> However, it's on my top of my TODO list for mmc. No promises, but
>> >> perhaps and hopefully I manage to get something posted during the
>> >> coming release cycle.
> 
> I would be interested in a ESP8089 driver in mainline and that's why I want to pick up this discussion.
> 
> What is the current status of the "mmc_reprobe_device" implementation, that Hans was explaining and Ulf wanted to provide some months ago?

Ulf did eventually write a new way to deal with this and then Quentin
did manage to get the esp8089 driver to work with it, the new function
to use for this is added by this commit:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/mmc/core?id=1433269c4d2461be1f36db5dbb453976b38996ff

I'm not sure what the status of upstreaming the ep8089 driver is now
that we've this in place.

Quentin, do you have a version of the esp8089 driver somewhere
which will work correctly with the new mmc_sw_reset() function?

Also what is the status of adding this driver to say staging?

Regards,

Hans



> 
> BTW, I am not on any of the mailing lists involved, so I tried to recreate the proper mail headers manually for the reply to the correct thread.
> 
> Thanks,
> Frieder
> 
>> >>
>> >
>> > Cool! If you ever need some testing, I'd be glad to test your patches
>> > (even if they are in a draft/RFC state).
>> >
>> > Also, when you send patches, I'd appreciate being Cc'ed so that I can
>> > put my Tested-by :) Thanks!
>>
>> Absolutely! I appreciate it.